APA (7th ed.) Citation

Geological Survey (U.S.) & Post, A. (1971). Inventory of glaciers in the North Cascades, Washington. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Austin Post. Inventory of Glaciers in the North Cascades, Washington. Washington: U.S. Govt. Print. Off, 1971.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Austin Post. Inventory of Glaciers in the North Cascades, Washington. U.S. Govt. Print. Off, 1971.